80653545 has 48 divisors (see below), whose sum is σ = 162819072. Its totient is φ = 36167040.

The previous prime is 80653543. The next prime is 80653561. The reversal of 80653545 is 54535608.

80653545 is a `hidden beast` number, since 80 + 6 + 535 + 45 = 666.

It is not a de Polignac number, because 80653545 - 2¹ = 80653543 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80653543) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14280 + ... + 19110.

It is an arithmetic number, because the mean of its divisors is an integer number (3392064).

Almost surely, 2^80653545 is an apocalyptic number.

It is an amenable number.

80653545 is an abundant number, since it is smaller than the sum of its proper divisors (82165527).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80653545 is a wasteful number, since it uses less digits than its factorization.

80653545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4902 (or 4899 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The square root of 80653545 is about 8980.7318744076. The cubic root of 80653545 is about 432.0571072910.

The spelling of 80653545 in words is "eighty million, six hundred fifty-three thousand, five hundred forty-five".